22150254142 has 12 divisors (see below), whose sum is σ = 35294783040. Its totient is φ = 10423648736.

The previous prime is 22150254107. The next prime is 22150254149. The reversal of 22150254142 is 24145205122.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22150254142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22150254149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19160542 + ... + 19161697.

It is an arithmetic number, because the mean of its divisors is an integer number (2941231920).

Almost surely, 2^22150254142 is an apocalyptic number.

22150254142 is a deficient number, since it is larger than the sum of its proper divisors (13144528898).

22150254142 is a wasteful number, since it uses less digits than its factorization.

22150254142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38322275 (or 38322258 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 22150254142 its reverse (24145205122), we get a palindrome (46295459264).

The spelling of 22150254142 in words is "twenty-two billion, one hundred fifty million, two hundred fifty-four thousand, one hundred forty-two".